Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936227 | End door for rail car | William R. Baker, James E. Black, Jr. | 1990-06-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936227 | End door for rail car | William R. Baker, James E. Black, Jr. | 1990-06-26 |